//搜索功能
	var oldKey0 = "";
var index0 = -1;
var oldCount0 = 0;
var newflag = 0;
var currentLength = 0;

function wordSearch(flg) {
	var key = $("#key").val(); //取key值
	if (!key) {
		return; //key为空则退出
	}
	getArray();
	focusNext(flg);
}

function focusNext(flg) {
	if (newflag == 0) { //如果新搜索,index清零
		index0 = 0;
	}
	if (!flg) {
		if (oldCount0 != 0) { //如果还有搜索
			if (index0 < oldCount0) { //左边如果没走完，走左边
				focusMove(index0);
				index0++;
			} else if (index0 == oldCount0) { //都走完了
				index0 = 0;
				focusMove(index0);
				index0++;
			} else {
				index0 = 0; //没确定
				focusMove(index0);
				index0++;
			}
		}
	} else {
		if (oldCount0 != 0) { //如果还有搜索
			if (index0 <= oldCount0 && index0 > 0) { //左边如果没走完，走左边
				index0--;
				focusMove(index0);
			} else if (index0 == 0) { //都走完了
				index0 = oldCount0;
				index0--
				focusMove(index0);
			}
		}
	}
}

function getArray() {
	newflag = 1;
	$(".contrast .result").removeClass("res");
	var key = $("#key").val(); //取key值
	if (!key) {
		oldKey0 = "";
		return; //key为空则退出
	}
	if (oldKey0 != key || $(".current").length != currentLength) {
		//重置
		index0 = 0;
		var index = 0;
		$(".contrast .result").each(function() {
			$(this).replaceWith($(this).html());
		});
		pos0 = new Array();
		if ($(".contrast-wrap").hasClass("current")) {
			currentLength = $(".current").length;
			$(".current .contrast").each(function() {
				$(this).html($(this).html().replace(new RegExp(key, "gm"), "<span id='result" + (index++) +
					"' class='result'>" + key + "</span>")); // 替换
			});
		} else {
			$(".contrast-wrap").addClass('current');
			currentLength = $(".current").length;
			$(".contrast").each(function() {
				$(this).html($(this).html().replace(new RegExp(key, "gm"), "<span id='result" + (index++) +
					"' class='result'>" + key + "</span>")); // 替换
			});
		}
		//$("#key").val(key);
		oldKey0 = key;
		//$(".contrast .result").each(function () {
		//    $(this).parents('.contrast-wrap').addClass('current');
		//    pos0.push($(this).offset().top);
		//});
		// pos0.push($(".contrast .result:eq(2)").offset().top - $(".contrast .result:eq(2)").parents(".contrast").offset().top);
		oldCount0 = $(".contrast .result").length;
		newflag = 0;
	}
}

function focusMove(index0) {
	$(".contrast .result:eq(" + index0 + ")").parents('.contrast-wrap').addClass('current');
	$(".contrast .result:eq(" + index0 + ")").addClass("res");
	var top = $(".contrast .result:eq(" + index0 + ")").offset().top + $(".contrast .result:eq(" + index0 + ")")
		.parents(".contrast").scrollTop();
	var intop = top - $(".contrast .result:eq(" + index0 + ")").parents(".contrast").offset().top;
	$(".contrast .result:eq(" + index0 + ")").parents(".contrast").animate({
		scrollTop: intop
	}, 200);
	if ($(".contrast .result:eq(" + index0 + ")").parents(".contrast").scrollTop() == 0) {
		$("html, body").animate({
			scrollTop: top - 200
		}, 200);
	} else {
		$("html, body").animate({
			scrollTop: $(".contrast .result:eq(" + index0 + ")").parents(".contrast").offset().top - 200
		}, 200);
	}
}
$('#key').change(function() {
	if ($('#key').val() == "") {
		index0 = 0;
		$(".contrast .result").each(function() {
			$(this).replaceWith($(this).html());
		});
		oldKey0 = "";
	}
});
